PLC HOME SECURITY SYSTEM

Wesley RoeEKU, Department of TechnologyComputer Electronic Networking

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OUTLINE Motivation/Introduction Problem Statement Proposed Solution Results Conclusions Future Work

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MOTIVATION/INTRODUCTION

Home Invasion Becoming More Common

Technology Advances In Home Security

PLC’s Make Excellent Automation Units

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PROBLEM STATEMENT Develop some

kind of security system to sound an alarm when a burglar enters the house

Must be inexpensive

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PROPOSED SOLUTION Hardware

Needed: Door Switches Window

Switches Lights Alarm PLC

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PROPOSED SOLUTION Build a scale model of a house to

wire up the security system as if it were going into a real house

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PROPOSED SOLUTION Programming of the PLC

Took a class in PLC programming approximately 2 years ago

Chose the Allen Bradley SLC500 because of familiarity with the PLC

Refresh myself on programming of the PLC

Write the PLC program Troubleshoot PLC program

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PROPOSED SOLUTION Wire everything up and test it out

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RESULTS Got everything wired up Tested all circuits before

connecting to PLC Security system worked once tied

into PLC Whenever a door or window is

opened, the alarm is triggered until the homeowner resets it

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CONCLUSIONS A PLC is a very realistic means of

setting up an internal alarm for your home Can be easily programmed Versatile

Project was a learning experience Learned how to wire up a PLC Learn about alarm techniques and

how to setup an alarm

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FUTURE WORK This could possibly find its way into

my house given enough time and money

This could be a marketable product for people wanting a reliable security system

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QUESTIONS/COMMENTS Any questions or comments?